Solved detect an item in slot

[Flajakay]

When the player opens virtual chest inventory and put an iron block in the six slot, he will get 9 iron ingots.
How to detect an item that a player put in the six slot?

 

[Deleted member 5254]

command /test:
    trigger:
        open virtual chest inventory named "TEST" to player

on inventory click:
    if name of current inventory of player is "TEST":
        if clicked slot is 6:
            if player's cursor is iron block:
                give player 9 iron ingot
                wait 1 tick
                set slot 6 of current inventory of player to air